Related Clues:

• 'Good heavens!'
• 'Amazing!'
• Greek leader?
• ''I didn't know that!''
• Whiz starter
• ''No kidding!''
• ''Gosh!''
• Expression of surprise
• Relative of 'Hmm ...'
• 'You could've knocked me over with a feather!'
• Great start?
• Command to a horse
• ''Omigosh!''
• Word from Beaver Cleaver
• Start to go?